A combo of the four greatest forces of the universe, it is only found in the Kingdom of Loathing (kol). It requires many pieces to even form the head, and is not only a loyal servant, but a symbol of status. As put in the games's description,
Hi-yaa, yarrr, braaaaains, bleep
Schizophrenic familiar
Four bastards in one
Is most commonly seen abbreviated, as NPZR.